The radial nerve or one of its branches innervates the:
ExplanationThe radial nerve innervates the extensors of the forearm and wrist, including EPL. The skin over the dorsal aspect of the 5th metacarpal is innervated by the ulnar nerve. Palmaris longus and pronator quadratus are innervated by the median nerve. Abductor pollicis brevis, a member of the thenar muscles, is innervated by the recurrent median nerve.
